What are the cheapest airlines flying from Louisville to Saint Thomas Island round-trip?

Cheapflights users have booked flights from Louisville to Saint Thomas Island round-trip from $242. Other airlines that can offer you cheap pricing are American Airlines, from $311, and Delta, from $340. Users have found that Spirit Airlines is 57% cheaper than the other options available to this destination.

What is the cheapest day to fly from Louisville to Saint Thomas Island?

Travelers seeking maximum savings on their Louisville to Saint Thomas Island flight should consider departing on Monday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Louisville to Saint Thomas Island?

Consider American Airlines, Delta or Spirit Airlines when booking your flight. These represent the most popular airlines when flying from Louisville to Saint Thomas Island.

What is the cheapest day to fly round-trip from Louisville to Saint Thomas Island?

Users have found that leaving on a Thursday can be a cost-effective option. It’s possible to save up to 60% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Louisville to Saint Thomas Island?

To save up to 252% on this flight, we recommend booking at least 52 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Louisville to Saint Thomas Island from $267 1-2 weeks out and tickets from $571 for flights departing within the next 72 hours.

What is the cheapest month to fly from Louisville to Saint Thomas Island?

The best pricing can be found in the month of January. Prices to Saint Thomas Island from Louisville average $566. You can even find prices in January for less than $566, as users have found deals to Saint Thomas Island from as low as $183. The month of December appears to be one of the more expensive times to travel to Saint Thomas Island from Louisville. Flying in the targeted month can save you up to 49%.

Most accurate provider : When it comes to deals on Louisville-Saint Thomas Island flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Saint Thomas Island flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Saint Thomas Island flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Louisville-Saint Thomas Island flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Louisville-Saint Thomas Island flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

How can I find direct flights from Louisville to Saint Thomas Island?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Saint Thomas Island.

Can I find deals for business class flights from Louisville to Saint Thomas Island?

Yes. Cheapflights offers flight deals from Louisville to Saint Thomas Island by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$162+ Flights from Louisville to Saint Thomas Island

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Cheap flight deals from Louisville to Saint Thomas Island

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$242 (FlightHub)
One-way from	$162 (Mytrip)
Popular in	December
Cheapest in	January
Average price	$501

Provider with most accurate pricing for Louisville Intl-Saint Thomas Island Cyril E King flight deals.

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Provider most trusted by Cheapflights users for Louisville Intl-Saint Thomas Island Cyril E King flights.

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From Louisville Intl to Saint Thomas Island Cyril E King

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One-way flight from Louisville Intl to Saint Thomas Island Cyril E King

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($62 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($26 potential savings vs. average RT price).

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Average for round-trip flights in March 2025

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Find flight deals from Louisville to Saint Thomas Island

Cheapest flights from Louisville to Saint Thomas Island
Explore the most affordable flight options available from Louisville to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Wed 5/75:05 amSDF - STT

1 stop28h 52mSpirit Airlines

Sun 5/114:26 pmSTT - SDF

2 stops25h 27mSpirit Airlines

Deal found 3/26

$223

Fri 4/257:21 pmSDF - STT

2 stops16h 35mAmerican Airlines

Fri 5/211:30 amSTT - SDF

2 stops12h 26mAmerican Airlines

Deal found 3/26

$311

Mon 5/126:00 amSDF - STT

1 stop9h 10mDelta

Wed 5/142:51 pmSTT - SDF

1 stop9h 14mDelta

Deal found 3/27

$340

Fri 5/26:12 pmSDF - STT

1 stop14h 23mMultiple Airlines

Mon 5/58:15 amSTT - SDF

2 stops14h 02mMultiple Airlines

Deal found 3/27

$368

Wed 5/146:00 amSDF - STT

1 stop7h 01mUnited Airlines

Wed 5/144:45 pmSTT - SDF

1 stop17h 34mUnited Airlines

Deal found 3/27

$767

Best flights from Louisville to Saint Thomas Island
Discover carefully curated flight deals from Louisville to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 28, 2025.

Fri 5/166:48 pmSDF - STT

1 stop15h 09mSpirit Airlines

Mon 5/1910:52 amSTT - SDF

1 stop7h 01mSpirit Airlines

Deal found 3/27

$242

Fri 4/257:21 pmSDF - STT

2 stops16h 35mAmerican Airlines

Fri 5/211:30 amSTT - SDF

2 stops12h 26mAmerican Airlines

Deal found 3/26

$311

Mon 5/126:00 amSDF - STT

1 stop9h 10mDelta

Wed 5/142:51 pmSTT - SDF

1 stop9h 14mDelta

Deal found 3/27

$340

Fri 5/26:12 pmSDF - STT

1 stop14h 23mMultiple Airlines

Mon 5/58:15 amSTT - SDF

2 stops14h 02mMultiple Airlines

Deal found 3/27

$368

Wed 5/146:00 amSDF - STT

1 stop7h 01mUnited Airlines

Wed 5/144:45 pmSTT - SDF

1 stop17h 34mUnited Airlines

Deal found 3/27

$767

Last-minute flights from Louisville to Saint Thomas Island
Discover last-minute flight deals from Louisville to Saint Thomas Island. Data last updated March 28, 2025 and is based on user searches.

Tue 4/16:00 amSDF - STT

1 stop7h 41mDelta

Fri 4/41:55 pmSTT - SDF

1 stop10h 03mDelta

Deal found 3/25

$945

Sat 4/56:00 amSDF - STT

1 stop28h 06mSpirit Airlines

Fri 4/1111:05 amSTT - SDF

1 stop11h 12mSpirit Airlines

Deal found 3/26

$356

Sat 4/57:03 amSDF - STT

1 stop8h 40mUnited Airlines

Sat 4/121:17 pmSTT - SDF

1 stop8h 33mUnited Airlines

Deal found 3/26

$948

Sat 4/58:58 amSDF - STT

2 stops8h 01mAmerican Airlines

Sat 4/125:50 pmSTT - SDF

2 stops17h 51mAmerican Airlines

Deal found 3/26

$1,039

Thu 4/105:01 pmSDF - STT

3 stops40h 59mMultiple Airlines

Mon 4/141:09 pmSTT - SDF

2 stops33h 08mMultiple Airlines

Deal found 3/25

$502

Fri 4/255:45 amSDF - STT

1 stop28h 15mSpirit Airlines

Fri 5/21:09 pmSTT - SDF

2 stops33h 08mSpirit Airlines

Deal found 3/26

$282

Fri 4/257:21 pmSDF - STT

2 stops16h 35mAmerican Airlines

Fri 5/211:30 amSTT - SDF

2 stops12h 26mAmerican Airlines

Deal found 3/26

$311

One-way flights from Louisville to Saint Thomas Island
Search for one-way flight options from Louisville to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated March 28, 2025.

Sat 5/242:07 pmSDF - STT

2 stops19h 50mSpirit Airlines

Deal found 3/26

$162

Cheapflights Fare Finder

Use the filters below to find and compare flights from Louisville to Saint Thomas Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Wed 5/7

5:05 am-9:57 am

1 stop28h 52m

Saint Thomas Island Cyril E King

Sun 5/11

4:26 pm-5:53 pm

2 stops25h 27m

$223

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Fri 4/25

7:21 pm-11:56 am

2 stops16h 35m

Saint Thomas Island Cyril E King

Fri 5/2

11:30 am-11:56 pm

2 stops12h 26m

$311

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Mon 5/12

6:00 am-3:10 pm

1 stop9h 10m

Saint Thomas Island Cyril E King

Wed 5/14

2:51 pm-12:05 am

1 stop9h 14m

$340

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Fri 5/2

6:12 pm-8:35 am

1 stop14h 23m

Saint Thomas Island Cyril E King

Mon 5/5

8:15 am-10:17 pm

2 stops14h 02m

$368

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Wed 5/14

6:00 am-1:01 pm

1 stop7h 01m

Saint Thomas Island Cyril E King

Wed 5/14

4:45 pm-10:19 am

1 stop17h 34m

$767

LouisvilleSaint Thomas Island

SDF - STT

SDFSTT

Louisville Intl

Sat 5/24

2:07 pm-9:57 am

2 stops19h 50m

$162

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Compare providers for flights from Louisville to Saint Thomas Island

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to Saint Thomas Island in March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Louisville-Saint Thomas Island flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Saint Thomas Island flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Saint Thomas Island flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Louisville-Saint Thomas Island flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Louisville-Saint Thomas Island flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Louisville to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Louisville with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Louisville to Saint Thomas Island

How far ahead should I book a flight from Louisville to Saint Thomas Island?

Booking 51 days in advance of your planned departure date is, on average, the best time to get cheap flights from Louisville to Saint Thomas Island. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Louisville to Saint Thomas Island?

Currently, September is the cheapest month in which you can book a flight from Louisville to Saint Thomas Island (average of $433). Flying from Louisville to Saint Thomas Island in June is currently the most expensive (average of $646). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SDF to STT?

It’s optimal to fly from Louisville to Saint Thomas Island at noon. By choosing this option you can save up to 54% on the cost of your flight, compared to a flight in the morning.

Reviews of airlines servicing Saint Thomas Island

See what other customers who have flown with Delta, United Airlines and American Airlines from Louisville to Saint Thomas Island have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,897 reviews

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,603 reviews

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Spirit Airlines

6.3

Okay

7,882 reviews

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines flying from Louisville to Saint Thomas Island round-trip?
Cheapflights users have booked flights from Louisville to Saint Thomas Island round-trip from $242. Other airlines that can offer you cheap pricing are American Airlines, from $311, and Delta, from $340. Users have found that Spirit Airlines is 57% cheaper than the other options available to this destination.
Can I find deals for flights from Louisville to Saint Thomas Island that include hotel bookings?
Yes. In addition to deals on Louisville to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Louisville to Saint Thomas Island?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Saint Thomas Island.
Can I find deals for business class flights from Louisville to Saint Thomas Island?
Yes. Cheapflights offers flight deals from Louisville to Saint Thomas Island by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Louisville to Saint Thomas Island?
Currently, September is the cheapest month in which you can book a flight from Louisville to Saint Thomas Island (average of $433). Flying from Louisville to Saint Thomas Island in June is currently the most expensive (average of $646). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

St. John

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Louisville to Saint Thomas Island

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$173	Average$309	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$267	Average$531	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$277	Average$666	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$332	Average$680	FlexibilityNo cancel fee	On-time71%

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$162+ Cheap flights from Louisville (SDF) to Saint Thomas Island (STT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Louisville to Saint Thomas Island with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Louisville to Saint Thomas Island

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Louisville to Saint Thomas Island

Cheapest flights from Louisville to Saint Thomas IslandExplore the most affordable flight options available from Louisville to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Explore the most affordable flight options available from Louisville to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Louisville to Saint Thomas Island that are best for you.

Compare providers for flights from Louisville to Saint Thomas Island

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to Saint Thomas Island in March.

Best time to book a flight from Louisville to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Louisville with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Louisville to Saint Thomas Island

How far ahead should I book a flight from Louisville to Saint Thomas Island?

Use this chart to determine the optimal time to book a round-trip flight from Louisville to Saint Thomas Island. Price data was last updated on March 21, 2025.

What is the cheapest month to book a flight from Louisville to Saint Thomas Island?

What is the cheapest time of day to fly from SDF to STT?

Find hourly flight availability from Louisville to Saint Thomas Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

Reviews of airlines servicing Saint Thomas Island

See what other customers who have flown with Delta, United Airlines and American Airlines from Louisville to Saint Thomas Island have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Louisville to Saint Thomas Island. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Louisville to Saint Thomas Island round-trip?

Can I find deals for flights from Louisville to Saint Thomas Island that include hotel bookings?

How can I find direct flights from Louisville to Saint Thomas Island?

Can I find deals for business class flights from Louisville to Saint Thomas Island?

What is the cheapest month to book a flight from Louisville to Saint Thomas Island?

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Alternative routes for Louisville to Saint Thomas Island

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Top 4 airlines flying from Louisville to Saint Thomas Island

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Cheapest flights from Louisville to Saint Thomas Island
Explore the most affordable flight options available from Louisville to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.